X0508 4 2025-10-30 0 0001412665 MidWestOne Financial Group, Inc. MOFG 0001579452 REEVES CHARLES N 102 S. CLINTON STREET P.O. BOX 1700 IOWA CITY IA 52244-1700 1 1 0 0 Chief Executive Officer 0 Common Stock 2025-10-30 4 P 0 1550 36.6695 A 60542.283 D Common Stock 2025-10-31 4 P 0 1450 36.4828 A 61992.283 D Common Stock 32000 I By IRA Common Stock 236.54 I By 401(k) Includes 35.448 Dividend Equivalents credited to unvested time-based RSUs in lieu of a cash dividend payment since the reporting person's last required Form filing. Each whole Dividend Equivalent is the economic equivalent of one share of MidWestOne Financial Group, Inc. common stock. Also includes 89.487 shares acquired through dividend reinvestment since the reporting person's last required Form filing. Shares held in the reporting person's account from within the MidWestOne Financial Group, Inc.. 401(k) Plan, as of October 30, 2025. Reported shares have increased by 1.968 shares since the date of the reporting person's previous Form filing due to automated dividend reinvestment in his account. Kenneth R. Urmie, Deputy Corporate Secretary, for Charles N. Reeves under Power of Attorney dated April 21, 2023 2025-10-31